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Weather & Climate
Seymour, Indiana, United States
Overview
Climate data and monthly weather averages for Seymour.
Key Metrics
Annual Avg
12°C
Summer Avg
23.3°C
Winter Avg
-0.3°C
Record High
39.8°C
Record Low
-23.8°C
Annual Precipitation
1232.6 mm
Avg Humidity
79%
Summer Humidity
76%
Winter Humidity
86%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 19° | -1.5° | -23.8° | 83.4 | 86% | 60 | 49.1 |
| Feb | 22.5° | -0.2° | -22.1° | 79.2 | 85% | 74 | 51.9 |
| Mar | 26.8° | 5.6° | -16.6° | 107.9 | 82% | 114 | 49.9 |
| Apr | 28.1° | 12.2° | -5.3° | 125.1 | 79% | 149 | 52.2 |
| May | 31.1° | 17.6° | -2.8° | 130.5 | 80% | 171 | 38.1 |
| Jun | 38.1° | 22.2° | 6.3° | 123.6 | 79% | 189 | 33.7 |
| Jul | 39.8° | 24° | 9.5° | 113.1 | 77% | 187 | 28.3 |
| Aug | 37.3° | 23.8° | 9.3° | 85.9 | 72% | 172 | 31.3 |
| Sep | 37° | 20.2° | 3° | 87.9 | 70% | 138 | 52.9 |
| Oct | 34.4° | 13° | -4.1° | 102.6 | 73% | 103 | 44.5 |
| Nov | 26.1° | 6.1° | -11.7° | 93 | 79% | 70 | 45.2 |
| Dec | 21.1° | 0.7° | -22.6° | 100.4 | 86% | 52 | 49.2 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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